chg: updates to the deleteAttributes API
chg: updates to the deleteAttributes API

- Allow passing the "all" wildcard value to the attribute id filter
- Allow passing the "allow_hard_delete" flag to indicate that hard-deletion of soft-deleted attributes is allowed

SteveClement/MISP,SteveClement/MISP,FloatingGhost/MISP,Rafiot/MISP,FIRSTdotorg/MISP,TheDr1ver/MISP,SteveClement/MISP,MISP/MISP,devnull-/MISP,Rafiot/MISP,FIRSTdotorg/MISP,devnull-/MISP,TheDr1ver/MISP,SteveClement/MISP,Rafiot/MISP,devnull-/MISP,MISP/MISP,SteveClement/MISP,MISP/MISP,TheDr1ver/MISP,FIRSTdotorg/MISP,MISP/MISP,TheDr1ver/MISP,MISP/MISP,FloatingGhost/MISP,Rafiot/MISP,FIRSTdotorg/MISP,FloatingGhost/MISP,FloatingGhost/MISP,devnull-/MISP